The Rivet,blind, cataloged under National Stock Number 5320-00-062-0281, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Allfast Fastening Systems, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-062-0281 |
| Primary Part Number | MS20601MP4W3 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Allfast Fastening Systems, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Fastener Length | 0.295 INCHES MAXIMUM IN |
| Expansion Device | SERRATED STEM-TYPE W |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Grip Length | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shank Style | SELF-PLUGGING |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| Shear Strength | 440 SINGLE POUNDS PER SQUARE INCH |
| Material | NICKEL ALLOY 400 OVERALL |
| Head Major Diameter | 0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS20601MP4W3 | Allfast Fastening Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| MS20601MP4W3 | 2/2 Government specification standardization U.S. Government activity |
| MS20601M4W3 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-00-062-0281 is a Rivet,blind, manufactured by Allfast Fastening Systems, Llc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-062-0281 has 1 manufacturer part number on file: MS20601MP4W3 (Allfast Fastening Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5320-00-062-0620. Verify interchangeability with system specifications before substitution.
Key specifications for MS20601MP4W3: Shank Diameter: 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Fastener Length: 0.295 INCHES MAXIMUM IN; Expansion Device: SERRATED STEM-TYPE W; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.